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858
RESULTS

Media Type
778
texts
54
images
16
movies
10
audio
Availability
856
Always Available
2
Available to Borrow
Year
7
2017
6
1922
6
1920
6
1919
7
1908
11
1907
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Topics & Subjects
701
cast iron
351
iron
347
steam
319
patent
319
scientific american
294
scientific
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Collection
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Creator
9
dennis hart mahan
6
peter barlow
6
robert wilson
6
squire whipple
5
andrew ure
5
charles frederick partington
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Language
770
English
6
French
2
German
1
Hmong
1
Malay
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